Knob



FIG. 1 is a front, right, top perspective view of a knob showing my new design;

FIG. 2 is a back, left, top perspective view thereof;

FIG. 3 is a front, right, bottom perspective view thereof;

FIG. 4 is a back, left, bottom perspective view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side view thereof, with the left side view being a mirror image thereof;

FIG. 8 is a front elevation view thereof;

FIG. 9 is a rear elevation view thereof; and,

FIG. 10 is a front elevation view thereof with a gauge, wherein the gauge forms no part of the claimed design.

The broken lines of even length shown in the drawings illustrate portions of the knob and gauge that form no part of the claimed design. 

CLAIM The ornamental design for a knob, as shown and described. 